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4 years ago

8

Find the next three terms

1 answer:

Harman [31]4 years ago

7 0

For 5., it number machine is -4. You would then subtract 4 from 3 giving you a negative number. 3-4=-1, -1-4=-5, and -5-4=-9. The answer for 5. would then be -1, -5, -9.
For 6., it looks like you are dividing by two each time. 6 divided by 2 is 3. 3 divided by 2 is 1.5, and 1.5 divided by 2 is.75. so the answer is 3,1.5,.75.
Hope this helps!

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Natalija [7]

Answer:

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3 years ago

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Qual o resultado da subtração dos dois polinômios abaixo? (2x2 + 4x) (–2x2 + x – 6)

Len [333]

Answer:

-4x^4-6x^3-8x^2-24x

Step-by-step explanation:

$\left(2x^2+4x\right)\left(-2x^2+x-6\right)\\$

distribuir parênteses

$=2x^2\left(-2x^2\right)+2x^2x+2x^2\left(-6\right)+4x\left(-2x^2\right)+4xx+4x\left(-6\right)$

Aplicar regras de menos mais ; $+\left(-a\right)=-a$

$=-2\times\:2x^2x^2+2x^2x-2\times\:6x^2-4\times\:2x^2x+4xx-4\times\:6x$

simplificar

$-2\times\:2x^2x^2+2x^2x-2\times\:6x^2-4\times\:2x^2x+4xx-4\times\:6x:\\\quad -4x^4-6x^3-8x^2-24x$

7 0

4 years ago

im's uncle is 4 times as old as his nephew Jim. In 10 years, Jim's uncle age will be 20 years more than twice Jim's age. How old

faltersainse [42]

Answer:

15 years old.

Step-by-step explanation:

Let Jim's age now be one unit (1u).

His uncle's age now is then 4 units.

Jim's age in 10 years = 1u + 10

Jim's uncle's age in 10 years = 4u + 10

In 10 years, Jim's uncle's age will be 20 years more than twice Jim's age.

Twice Jim's age =

$2(1u + 10) = 2u + 20$

Since Jim's uncle's age is 20 years more than this, we can say that his uncle's age is equal to

$2u + 20 + 20$

which is equal to

$2u + 40$

We found out that Jim's uncle's age in 10 years is 4u+10. Hence

$4u + 10 = 2u + 40$

We subtract 10 from both sides:

$4u = 2u + 30$

Therefore

$2u = 30$

and one unit is 15. Hence, Jim's age now is 15.

7 0

3 years ago

The width of a dining room floor in a scale drawing is 6in. The actual width is 30 ft. What is the scale of the floor plan?

sasho [114]

Answer:

Scale = 5ft/in

Step-by-step explanation:

Given

Scale Measurement = 6in.

Actual Width = 30ft

Required

Scale Ratio.

The scale ratio can be calculated as thus:

Scale Ratio = Actual Measurements ÷ Scale Measurements

Scale Ratio = 30ft ÷ 6in

Scale Ratio = 30ft/6in

Simplify to lowest terms

Scale Ratio = 5 ft/1 in

Scale Ratio = 5ft/in

This can also be represented as follows;

Scale Ratio = 5ft : 1in

This means that 5 ft on the actual measurements is represented by 1inch on the scale.

6 0

3 years ago

Find the first fourth and eighth terms of the sequence a(n)=-2*5^n-1

agasfer [191]

A(1)=2*5^1-1=2*5^0=2*1=2
a(4)=2*5^4-1=2*5^3=2*125=250
a(8)=2*5^8-1=2*5^7=2*78,125=156,250

6 0

4 years ago